Finding the Fourth Proportional to 2,091.85, 2,886.27 and 1,346.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.85 : 2,886.27 = 1,346.06 : x
2. Step 2: Convert to fraction form
   2,091.85/2,886.27 = 1,346.06/x
3. Step 3: Cross multiply
   2,091.85x = 2,886.27 × 1,346.06
4. Step 4: Simplify right side
   2,091.85x = 3,885,092.60
5. Step 5: Solve for x
   x = 3,885,092.60/2,091.85
6. Step 6: Final answer
   x = 1,857.25